Staxly

Weaviate vs Convex

Open-source vector DB with hybrid search + modular embeddings
vs. The reactive database where queries are TypeScript code

Weaviate websiteConvex website

Pricing tiers

Weaviate

Sandbox (14-day trial)
14-day free trial. Shared cloud cluster. 250 Query Agent req/month.
$0 base (usage-based)
Self-Hosted (OSS)
BSD-3 licensed. Run free on your infra.
$0 base (usage-based)
Flex
From $45/mo pay-as-you-go. Shared HA cluster. 99.5% uptime. 30k Query Agent reqs/mo.
$45/mo
Premium
From $400/mo prepaid. Shared or dedicated. 99.95% uptime. SSO/SAML. Unlimited Query Agent. HIPAA on AWS.
$400/mo
Enterprise
Custom. BYOC / private deployment.
Custom
Weaviate website

Convex

Starter (Free)
Free with overage via usage-based billing. Great for prototypes.
Free
Professional
$25/developer/month. Overage: $2/M function calls. Daily backups, email support, custom domains.
$25/mo
Business / Enterprise
From $2,500/month. SAML/SSO, SLA, dedicated deployments, Slack Connect support.
$2500/mo
Convex website

Free-tier quotas head-to-head

Comparing sandbox on Weaviate vs starter on Convex.

MetricWeaviateConvex
db storage gb0.5 GB
deployments40 deployments
egress gb month1 GB/month
file storage gb1 GB
function calls month1000000 calls/month
team members6 users

Features

Weaviate · 13 features

  • BackupsS3, GCS, Azure Blob backup destinations.
  • BYOCRun managed Weaviate in your own cloud account.
  • Compression (PQ/BQ/RQ)Reduce vector memory footprint by up to 32x.
  • Dynamic IndexingHNSW + flat + dynamic index selection.
  • Generative SearchSearch + RAG answers in one API call.
  • Hybrid SearchCombine BM25 + dense vector search in one query.
  • Modular Vectorizers60+ plug-in vectorizers + generative AI modules.
  • Multi-TenancyPer-tenant isolated vector stores in one cluster.
  • Query Agent (AI)Agentic natural-language query generator.
  • RBACRole-based access control for collections + tenants.
  • ReplicationMulti-node async + sync replication.
  • Self-Host (OSS)BSD-3 licensed. Docker + k8s Helm.
  • Structured FiltersMetadata filters pre + post vector search.

Convex · 18 features

  • ActionsNon-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea
  • AuthenticationConvex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens
  • Convex AgentsAI agent framework with durable memory, threads, tool use. Works with OpenAI / A
  • Convex AuthFirst-party auth library: passwords, magic links, OAuth, phone — stored in your
  • Convex ComponentsReusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc
  • Cron JobsRecurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
  • Durable WorkflowsLong-running multi-step workflows with retries and at-least-once guarantees.
  • Exception ReportingAuto-capture errors to Sentry, Axiom, Datadog.
  • File StorageUpload/download via storage API. Returns storage IDs referenced in documents.
  • Full-Text SearchBM25 search index on table fields. withSearchIndex query helper.
  • HTTP ActionsExpose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat
  • Log StreamsStream function logs to Axiom, Datadog, Sentry. Pro+.
  • MutationsTransactional write functions. All reads + writes in one mutation are ACID; conf
  • Preview DeploymentsEvery Git branch gets its own isolated deployment. Integrates with Vercel/Netlif
  • QueriesDeterministic read-only TS functions. Automatically cached and re-run when under
  • Real-Time SubscriptionsuseQuery auto-subscribes; server invalidates when data a query read changes. No
  • Schedulerschedule.after / schedule.at — enqueue functions to run later. Durable, survives
  • Vector SearchNative vector index on tables. withIndex + filter fields. Up to 4096 dims.

Developer interfaces

KindWeaviateConvex
CLIConvex CLI
SDKweaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-clientAndroid / Kotlin Client, iOS / Swift Client, JavaScript/TypeScript Client, Next.js Integration, Python Client, React Client (useQuery), Rust Client, Svelte Client, Vue Client
RESTWeaviate REST APIDeploy / Dashboard API, HTTP Actions
GRAPHQLWeaviate GraphQL
MCPWeaviate MCP
OTHERWeaviate gRPCWebSocket Subscriptions
Staxly is an independent catalog of developer platforms. Some links to Weaviate and Convex may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.